package com.wt.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewFilter;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.servlet.Filter;
import javax.servlet.Servlet;
import javax.sql.DataSource;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

/**
 * Created with IDEA
 * Describe:
 * Author:tianji
 * Date:2018/11/1
 * Time:16:53
 */
@Configuration
public class DruidConfig {
    @ConfigurationProperties(prefix = "spring.datasource")
    @Bean
    public DataSource druid() {
        return new DruidDataSource();
    }

    //配置druid监控
    //1.配置一个管理后台的Servlet
    @Bean
    public ServletRegistrationBean statViewServlet() {
        ServletRegistrationBean<Servlet> registrationBean =
                new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");
        Map<String,String> initParam = new HashMap<String,String>();
        initParam.put("loginUsername","admin");
        initParam.put("loginPassword","123456");
        //initParam.put("allow","localhost");
        //initParam.put("deny","");
        //initParam.put("remoteAddress","");
        registrationBean.setInitParameters(initParam);
        return registrationBean;
    }
    //2.配置一个监控的filter
    @Bean
    public FilterRegistrationBean webStatFilter(){
        FilterRegistrationBean bean = new FilterRegistrationBean();
        bean.setFilter(new WebStatFilter());
        Map<String,String> initParam = new HashMap<>();
        initParam.put("exclusions","*.js,*.css,/druid/*");
        bean.setInitParameters(initParam);
        bean.setUrlPatterns(Arrays.asList("/*"));
        return bean;
    }
}
